David James Walker PC QC (10 May 1905 – 28 November 1995) was a Canadian politician.

[1] Born in Toronto, Ontario, he was educated at Jarvis Collegiate Institute, the University of Toronto and Osgoode Hall Law School.

From 1957 to 1958, he was the Parliamentary Assistant to the Minister of Justice and Attorney General.

In 1963, he was appointed to the Senate of Canada representing the senatorial division of Toronto.

Walker opposed Pierre Elliott Trudeau's proposed Senate reforms in 1969.